UDOObuntu hdmi lcd display issue

Discussion in 'UDOO NEO' started by hiten, Feb 13, 2020.

  1. hiten

    hiten UDOOer

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    Hello

    I used uDoobuntu 2.3.0 (ubuntu 14.04 LTS) prebuild img from https://www.udoo.org/downloads/
    and I have hdmi display which is look like
    (https://www.amazon.in/Waveshare-Cap...8&hvtargid=pla-406645444295&psc=1&ext_vrnc=hi)

    so when I connect this HDMI display to my udoo neo board it shows LCD blackout issue on LCD corner side
    I upload some image below here
    I don't know why this happening because I follow this tutorial for run hdmi display
    https://www.udoo.org/docs-neo/Hardware_&_Accessories/HDMI_7inch_touch.html

    please help me with this issue
     

    Attached Files:

  2. waltervl

    waltervl UDOOer

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    Looks like an hardware issue.
    Is it an issue on the Neo only or do you see the same issue if you connect this display to another computer?
     
  3. hiten

    hiten UDOOer

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    It is working fine with the computer only problem occurs on udoo neo board
     
  4. waltervl

    waltervl UDOOer

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    I have never seen this. Do you power the display from an external power device? The USB of the Neo is not very powerful.
     
  5. hiten

    hiten UDOOer

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    Udoo neo board powered by 12v 2A power adaptor
    7" HDMI display's hdmi and USB directly connected to the board.
     
  6. hiten

    hiten UDOOer

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    After some R&D I found the issue in hdmi display
    the screen buffer is not clear after disconnect hdmi cable
     
    waltervl likes this.

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